{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0xbf68f06a087289607ae8ef5097181e97e149034ea1a0d282c70fe1c4a6e319c0",
    "signature": "0xa1901eee2a77783c8106d320ed5c6feb114cb259c74a45ae9c44ca0a5861d7f44d8e4f20fd81efba59d3caac99e969193c9d820148d9eb696501a8127b86a4691c",
    "signer": "0xa1cB707a6e6c37F991927639d7aD8433D9024F1c",
    "userId": "533069671"
  }
}